O My Love's Like a Red Red Rose, for tenor and soprano with piano, undated Box 29, Folder 3 Bookmark Collection Context Bridgeport History Center, Bridgeport Public Library Papers of John Adam Hugo, 1890-1943Series III, Undated compositions
Op. 10, no. 1, Lotusblume, 1894-12-23 Box 6, Folder 1 Bookmark Collection Context Bridgeport History Center, Bridgeport Public Library Papers of John Adam Hugo, 1890-1943Series I, Opus numbers
Op. 10 no. 2, Gott Grüsse Dich, 1894-09-06 Box 6, Folder 2 Bookmark Collection Context Bridgeport History Center, Bridgeport Public Library Papers of John Adam Hugo, 1890-1943Series I, Opus numbers
Op. 10 no. 3, Du bist wie eine blume, voice and piano, 1894-10-12 Box 6, Folder 3 Bookmark Collection Context Bridgeport History Center, Bridgeport Public Library Papers of John Adam Hugo, 1890-1943Series I, Opus numbers
Op. 10 no. 4, He is Risen, 1904-01-29 Box 6, Folder 4 Bookmark Collection Context Bridgeport History Center, Bridgeport Public Library Papers of John Adam Hugo, 1890-1943Series I, Opus numbers
Op. 10 no. 5, An die entfernte, undated Box 6, Folder 5 Bookmark Collection Context Bridgeport History Center, Bridgeport Public Library Papers of John Adam Hugo, 1890-1943Series I, Opus numbers
Op. 11, Concerto in C major, 1904-0129 Box 6, Folder 6 Bookmark Collection Context Bridgeport History Center, Bridgeport Public Library Papers of John Adam Hugo, 1890-1943Series I, Opus numbers
Op. 12, De Dank [print version], 1902 Box 27, Folder 2 Bookmark Collection Context Bridgeport History Center, Bridgeport Public Library Papers of John Adam Hugo, 1890-1943Series I, Opus numbers
Op. 12 no. 2, Characteristique for piano, 1894-04-16 Box 6, Folder 7 Bookmark Collection Context Bridgeport History Center, Bridgeport Public Library Papers of John Adam Hugo, 1890-1943Series I, Opus numbers
Op. 12 no. 3, Characterstück score for orchestra, undated Box 6, Folder 8 Bookmark Collection Context Bridgeport History Center, Bridgeport Public Library Papers of John Adam Hugo, 1890-1943Series I, Opus numbers